Cloudkaptan Consultancy Services Trainee Software Test Engineer Interview Questions and Answers

Q1. Given the react machine coding example
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Q1. Explain about your projects
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In the coding test, there were 2 problems based on arrays and hashing (easy to medium level leetcode)

Q1. Several OOP questions were asked.... like, Can we have a class inside an interface? Can we have a static constructor? Can we have multiple main methods?
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Q2. DBMS question: Normalization questions and keys concepts.
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Q1. DSA question (stack based) You have a stack full of numbers, you have to arrange them in ascending order in the same stack without using any other data structure.
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Q2. OS and DBMS questions(sharding, semaphores, etc.)
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Q1. Questions based on Consultadd principles.
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Q1. A Lot of OOPS and Virtual concept
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Q2. Basic SQL till joins
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Q3. Java script medium
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Q4. C# oops output based
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Dsa problems dp and tress problem

Q1. Tell me about your self
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Q2. Projects and intership
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Q1. About the project. and asked what i did in project. how to create schema in pyspark. what is ADE. what are the difficulties i faced in project. what is spark submit command how we write sparksubmit command...read more
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Q2. No of occurrences of letter in a string.
Ans. 
Count occurrences of a letter in a string.
• Iterate through each character in the string and count occurrences of the specified letter.

• Use a hashmap to store the count of each letter.

• Handle both uppercase and lowercase letters to ensure accurate counting.
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Q1. Core concepts on for the language you are giving interview
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Q2. Detailed questions from resume
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Q1. Basic to medium complexity coding question
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Q2. Check culture fit
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Q1. General questions like about family, native place & salary discussion
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Q1. Questions related to dbms and oops concepts
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Q2. What is normalization
Ans. 
Normalization is the process of organizing data in a database to eliminate redundancy and improve data integrity.
• Normalization helps in reducing data redundancy by breaking down a large table into smaller, more manageable tables.

• It ensures that each piece of data is stored only once, reducing storage space and improving efficiency.

• Normalization also helps in maintaining data integrity by preventing anomalies like updat...read more
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Q3. What is polymorphism
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Polymorphism is the ability of an object to take on many forms. It allows objects of different classes to be treated as the same type.
• Polymorphism is a fundamental concept in object-oriented programming.

• It allows a single interface to be used for different types of objects.

• Polymorphism can be achieved through method overriding and method overloading.

• Example: A shape class with different subclasses like circle, square,
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